The plant is cultivated in India and Iran. Ajwain is a plant of Apiaceae plant family. This is an annual herb. The leaves are 2- 3 pinnate, dark green and wedge shape at the base. The flowers are white and in compound umbel. The fruits are cremocarp and ovoid. The fruits contain aromatic oil, which is pungent in smell. The main constituent of oil is Thymol.

Uses

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Ajwain is used for its spicy strong smell. Many south Indian dishes contain Ajwain fried in vegetable oil. Ajwain is used for curing common cold and is a good decongestant for stuffy nose